Quikmile Interview Questions and Answers

Yes, metal prototypes can be made through various processes.

• Metal casting: Using molds to create metal prototypes.

• Metal additive manufacturing: Using 3D printing to build metal prototypes layer by layer.

• Metal machining: Cutting, drilling, or shaping metal to create prototypes.

• Metal injection molding: Injecting molten metal into a mold to form prototypes.

• Metal extrusion: Forging metal through a die to create prototype shapes.

• Metal sheet forming: Bending or shaping metal sheets...read more

Compensating bendback in sheetmetal can be achieved through various methods.

• Use a larger bend radius to reduce the amount of bendback

• Implement a pre-bend or over-bend technique to counteract the bendback

• Utilize specialized tooling or fixtures to control the bending process

• Apply heat or annealing to the sheetmetal to reduce its springback tendency

• Consider using different materials or alloys with lower springback characteristics

Battery management is required in Lithium Ion battery solutions to ensure safety, optimize performance, and prolong battery life.

• Lithium Ion batteries are prone to overheating and can catch fire or explode if not properly managed.

• Battery management systems monitor and control various parameters such as voltage, current, temperature, and state of charge.

• These systems prevent overcharging, over-discharging, and overcurrent situations that can damage the battery or reduce its ca...read more

Different rapid prototyping processes include 3D printing, CNC machining, and injection molding.

• 3D printing: Additive manufacturing technique that creates objects layer by layer using a digital model.

• CNC machining: Computer-controlled subtractive manufacturing process that uses pre-programmed tools to remove material from a solid block.

• Injection molding: Process of injecting molten material into a mold cavity to create a solid object.

Chemical engineering formulae and their interpretation

• Stoichiometry: Balancing chemical equations to determine reactant and product quantities

• Ideal Gas Law: PV = nRT, relates pressure, volume, temperature, and number of moles of a gas

• Heat Transfer: Q = mCΔT, calculates heat transfer between a substance and its surroundings

• Mass Transfer: Fick's Law, describes the diffusion of a substance through a medium

• Reaction Kinetics: Rate = k[A]^m[B]^n, determines the rate of a chemical r...read more